Results 21 to 30 of about 1,867,301 (331)

Estimação de parâmetros genéticos em tamanho de leitegada de suínos utilizando análises de características múltiplas Estimation of genetic parameters for litter size in pigs using multi-trait analyses

open access: yesRevista Brasileira de Zootecnia, 2008
Registros de animais da raça Large White foram utilizados para estimar componentes de co-variâncias e parâmetros genéticos para a característica número de leitões nascidos como medida do tamanho de leitegada.
Leandro Barbosa   +5 more
doaj   +1 more source

On the Sampling Variance of Intraclass Correlations and Genetic Correlations [PDF]

open access: yesGenetics, 1998
Abstract Widely used standard expressions for the sampling variance of intraclass correlations and genetic correlation coefficients were reviewed for small and large sample sizes. For the sampling variance of the intraclass correlation, it was shown by simulation that the commonly used expression, derived using a first-order Taylor ...
openaire   +3 more sources

Isolation by distance in a population of a small land snail Trochoidea geyeri : evidence from direct and indirect methods [PDF]

open access: yes, 2006
Population structure was estimated in a continuous population of a small land snail (Trochoidea geyeri). Mark-recapture experiments and randomly amplified polymorphic DNA analyses indicate that the population structure can be described by the isolation ...
Bahl, Andreas   +2 more
core   +1 more source

Análises da persistência na lactação de vacas da raça Holandesa, usando produção no dia do controle e modelo de regressão aleatória Analysis of persistency in the lactation of Holstein cows using test-day yield and random regression model

open access: yesRevista Brasileira de Zootecnia, 2004
Foram utilizados 87.045 registros de produção de leite, na primeira lactação, de 11.023 vacas da raça Holandesa, obtidos nos anos de 1997 a 2001, em diferentes rebanhos distribuídos em dez núcleos do Estado de Minas Gerais.
Jaime Araujo Cobuci   +5 more
doaj   +1 more source

Molecular and Genetic Determinants of Glioma Cell Invasion. [PDF]

open access: yes, 2017
A diffusely invasive nature is a major obstacle in treating a malignant brain tumor, "diffuse glioma", which prevents neurooncologists from surgically removing the tumor cells even in combination with chemotherapy and radiation.
Kato, Yoichiro   +4 more
core   +2 more sources

Age-age correlation for early selection of rubber tree genotypes in São Paulo State, Brazil

open access: yesGenetics and Molecular Biology, 2005
In a field trial involving 68 rubber tree (Hevea spp.) clones calculation of genotypic correlation coefficients revealed significant age-age correlation from age 1 to 6 (immature period) for girth A and for age 7 to 12 (mature period) for girth B and for
Paulo de Souza Gonçalves   +5 more
doaj   +1 more source

The Genetic and Environmental Sources of Resemblance Between Normative Personality and Personality Disorder Traits [PDF]

open access: yes, 2017
Recent work has suggested a high level of congruence between normative personality, most typically represented by the big five factors, and abnormal personality traits.
Aggen, S. H.   +8 more
core   +2 more sources

Genetic relationship between type traits, number of lactations initiated, and lifetime milk performance in Czech Fleckvieh cattle

open access: yesCzech Journal of Animal Science, 2017
Genetic relationship was analyzed between type traits and longevity measures in dual-purpose cattle. Data from 91 486 Czech Fleckvieh cows first calved between 2003 and 2009 were used.
Luboš Novotný   +3 more
doaj   +1 more source

Genetic correlations between longevity and conformation traits in the Czech Holstein population

open access: yesCzech Journal of Animal Science, 2012
Genetic correlations between longevity and conformation traits were estimated using data on Czech Holstein cows first calved in the years 1993-2008. Longevity traits considered were length of productive life and number of lactations initiated and their ...
L. Zavadilová, M. Štípková
doaj   +1 more source

Simultaneous estimation of genetic parameters for production and litter size traits in Czech Large White and Czech Landrace pigs

open access: yesCzech Journal of Animal Science, 2013
Genetic parameters for total number of piglets born per litter, number of piglets weaned per litter, lean meat content, and average daily gain from birth till the end of the field test were estimated for Czech Large White (445 589 records) and Czech ...
E. Krupa, J. Wolf
doaj   +1 more source

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